Represents the weighted average sale price for multiple transactions at prices ranging from $13.53 to $13.96 per share. The undersigned undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

(2)

These options vested ratably over four years following the grant date of Febuary 11, 2003, with the final vesting having occurred on February 11, 2007.

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